[ Modal Verbs ]
Jack should ________ harder.
A. study
B. studies
C. to study
D. studying

Random Topics:
Reflexive pronounsSimple Present vs Present ProgresiveComparisonPast Simple & Past ContinuousMixed ConditionalsGrammar - Be going toParticiple AdjectivesTenses and ComparisonsTypes of Sentence StructureComparisionsOther quiz:
Conjunctions and Commas › ViewThe family didn’t want to be late for the movie _______ they hurried.
A. but
B. or
C. because
D. so
Prepositions of Place › View
He is _____the airplane.
A. on
B. in
C. at
Simple Present - WH Questions › ViewWhat …… your name?
A. is
B. are
C. do
D. does
Progressive Tense › View
You (learn) English now.
A. were learning
B. are learning
C. will be learning
